{
  "ptid_time": "141_S_6061_2017-08-13",
  "img_path": "/data/qiuhui/data/adni/images/141_S_6061/2017-08-13/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 37,304 mm³, 32.9% above the reference mean. With a Z-score of 0.75 (77.4th percentile), this represents normal volume ; hippocampal volume measures 6,867 mm³, 3.5% below the reference mean. With a Z-score of -0.32 (37.5th percentile), this represents normal volume ; whole brain volume measures 941,619 mm³, 3.4% below the reference mean. With a Z-score of -0.43 (33.5th percentile), this represents normal volume ; entorhinal cortex volume measures 3,153 mm³, 14.2% below the reference mean. With a Z-score of -0.87 (19.2th percentile), this represents normal volume ; fusiform gyrus volume measures 17,676 mm³, 3.9% above the reference mean. With a Z-score of 0.35 (63.9th percentile), this represents normal volume ; middle temporal gyrus volume measures 20,356 mm³, 6.2% above the reference mean. With a Z-score of 0.54 (70.4th percentile), this represents normal volume . ",
  "text_data": "Age is 74.0 years. Gender is Female. Education: 16 years. Handedness: Right. Race: White. MMSE: 30.0. MoCA: 23.0. Logical Memory: 7.0. APOEε4 alleles: 0.0. Biomarker levels: Flobetaben (FBB): 1.60 SUVR (profound elevated). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volume measurements are within normal ranges, with only mild deviations (Z-scores between -0.87 and 0.75). The MMSE score of 30 is normal, but the MoCA score of 23 suggests possible mild cognitive impairment (MCI). The absence of APOE4 reduces genetic risk for Alzheimer's.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T17:07:00.470041"
}